WordPress image upload error and theme demo import error

Sometimes WordPress users may be encountered with HTTP error.   This error usually occurs when you tried to upload a large size image. From the below image you can see how the error looks like.

Adding following rule into .htaccess file will help you to fix the error.

SetEnv MAGICK_THREAD_LIMIT 1

Also, if you tried to import a large size theme ( like Transcargo ) demo, then you will get an error like the following.

The fix for this issue is same as mentioned above. Add the following rule in the .htaccess file

SetEnv MAGICK_THREAD_LIMIT 1

Explanation of the error and htaccess rule:

To prevent the abuse of CPU usage, shared hosting provider might prevent you to running multi-thread tasks. When you load an image, Imagick (Which is an image processing tool) tries to use multi-thread to be as fast as possible. Adding this rule, you tell Imagick to run only on a single thread and this prevents the previous error.

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